Circuit/System Verification
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Verify that DTC B137A is not current in the serial data gateway module (SDGM).
- If the DTC is current in the SDGM, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Verify that DTC U1815 is not set current only in the HPCM.
- If the DTC is current in the HPCM only, replace the drive motor power inverter module (PIM).